30 



A. ZAHLBRUCKNER, DIE FLECHTEN. 



incolor, leviter inspersum, J coeruleum; paraphyses filiformes, ramosae et connexae, 

 eseptatae, ad apicem non latiores, ad 1 [j. crassae; asci cylindrici, ad apices rotundati 

 et membrana incrassata cincti, (4) — 6 — 8-spori; sporae in ascis uniseriales, decolores, 

 simplices, ellipsoideae, ovali- vel oblongo-ellipsoideae, ad apices rotundatae vel sub- 

 acuminatae, membrana duplici cinctae (membrana externa Jaevi, angustiore, 1,7—2,2 |x 

 lata, membrana interna etiam laevi, 4 — 6 ;j. crassa), guttula oleosa unica et ampla 

 impletae, 65 — 70 [x longae et 34 — 35 \>. latae, KHO non tinctae. 



Conceptacula pycnoconidiorum in tuberculis minutis, 0,3 — 0.5 mm latis, albidis 

 inclusa; perifulcrium pallidum; fulcra exobasidialia; basidia angusta, subampullacea; 

 pycnoconidia capillaria, subrecta vel leviter arcuata, utrinque retnsa, 14 — 16 |x longa 

 et ad 0,5 lata. 



Falkland-Inseln : Westinsel, Port Philomel, Halfway Cove, auf Sandstein. 

 Durch die Gestalt der Fruchtwarzen, das dünne Lager und die kurzen Pykno- 

 konidien gut charakterisiert. 



Pertusaria melanospora Nyl.! in Annal. Scienc. Nat., Botan., ser. 4., vol. III, 

 1855, p. 159, in Bull. Soc. Linn. Normand., ser. 2., vol. IV, 1872, p. 289, not. et 

 Liehen. Pyren. Orient., 1891, p. 61, not.; Hue in Nouv. Archiv du Museum, ser. 3., 

 vol. III, 1891, p. 85. 



Thallus epilithicus, crustaceus, uniformis, subtartareus, tenuis, effusus, alutaceo- 

 lacteus, subopacus, KHO vix mutatus, CaCIoOo leviter erythrinosus, KHO lutescens, 

 areolato-diffractus, areolis parvis, 0,i — 0,5 mm latis, angulosis, fissuris tenuibus limi- 

 tatis, planiusculis, superne laevibus, continuis, sorediis et isidiis destitutus, superne 

 strato corticali obduetus, ex hyphis dense intricatis et dense inspersis formato; me- 

 dulla alba, KHO flavescens, CaCl 2 Oo erythrinosa, J — . 



Verrucae apotheeiigerae dispersae, sessiles, 0.8—1,2 mm latae, ad basin leviter 

 constrictae, subsemiglobosae, thallo concolores, laeves, ad verticem primum puneti- 

 formiter pertusae, demum sat breviter transversim fissae, 1— 5-carpicae, strato corti- 

 cali obduetae, medullam et gonidia includentes; disci apotheciorum nigri, opaci, 

 minuti, rotundi et vix impressi; epithecium nigrescens, KHO violascens; hymenium 

 decolor, guttulis oleosis non impletum, J intense coeruleum, 330—370 |x altum; hypo- 

 thecium angustum, decolor, ex hyphis intricatis tenuibus formatum; paraphyses 

 capillares, ramosae et connexae, eseptatae, ad apicem non latiores; asci oblongo- 

 clavati, ad apicem retuso-rotundati, paehydermatici, 4 — 8-spori; sporae in ascis 1—2- 

 seriales, ex decolore mox coeruleo-nigricantes, simplices, ellipsoideae, membrana 

 duplici cinctae, membrana externa valde tenui, ad 1 [j. crassa, interna ad 9 [j. crassa, 

 colorata, KHO violascens, subtiliter striolatae, 62 — 80 |x longae et 36—46 [x latae. 



Conceptacula pycnoconidiorum verrucosa, sessilia, hemisphaerica, parva, ad l,i 

 mm lata, vertice punetiformi vel paulum irregulari, nigricante; fulcra exobasidialia; 

 pycnoconidia capillaria, plus minus curvata vel hamata, 21 — 26 [x longa et 0,5 [x lata. 



Juan Fernandez: Masatierra, Bahia del Padro, auf Lava. 



